Signal Problem

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  • October 2, 2013 at 3:06 am #4716
    Ronny Cambangay
    Participant

    Hi,

    I have a problem getting with Multitech SF100-G.

    I have the modem configured on the network, there is a sim card inserted, and I have enter the following AT command by telnetting to port 5000.

    AT+CPIN
    => Ready

    AT+CREG?
    => 0,2

    AT+CSQ
    => error

    But in the web GUI it says:
    SIM Status Enabled

    Signal Strength : 99

    Im from philippines by the way…

    Regards

    Ronny

    October 2, 2013 at 8:16 am #4717
    Bryon Davis
    Moderator

    Hi Ronny,
    It appears the SF100 isn’t able to find the cellular network. A signal strength of 99 means the radio isn’t connected.

    Check to make sure the antenna is connected correctly and that you can receive a signal from the SF100 location.

    You should also check the frequency band the radio is using with a AT+WMBS=? command, and then verify that it is set to use the same frequency as your cellular network. I believe the Philippines use 900/1800 frequencies.

    Here are the AT+WMBS values:

    <Band> Frequency Band Configuration
    0 mono-band mode 850 MHz
    1 mono-band mode 900 extended MHz (900E)
    2 mono-band mode 1800 MHz
    3 mono-band mode 1900 MHz
    4 dual-band mode 850/1900 MHz
    5 dual-band mode 900E (extended) /1800 MHz
    6 dual-band mode 900E (extended) /1900 MHz
    7 quad-band mode 850/900E (extended)/1800/1900 MHz

    Also verify that the towers near you support 2G. The SF100 only supports 2G.

    Regards,
    Bryon

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